Because you like Eggsy Unwin in Kingsman: The Secret Service
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.
Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.